Finding the Fourth Proportional to 2,952.64, 4,428.91 and 761.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.64 : 4,428.91 = 761.34 : x
2. Step 2: Convert to fraction form
   2,952.64/4,428.91 = 761.34/x
3. Step 3: Cross multiply
   2,952.64x = 4,428.91 × 761.34
4. Step 4: Simplify right side
   2,952.64x = 3,371,906.34
5. Step 5: Solve for x
   x = 3,371,906.34/2,952.64
6. Step 6: Final answer
   x = 1,142.00